SES_ATTACHMENTS_TOO_LARGE
Send fewer, or a link.
The attachments are too large to send.
SES_FROM_REQUIRED
Fill it in on the node.
Sending through your own SES account needs a From address.
SES_INVALID_ADDRESS
Check To, CC and BCC.
An e-mail address on this message is not valid.
SES_INVALID_ATTACHMENT
Check the file the node points at.
An attachment could not be read.
SES_TOO_MANY_RECIPIENTS
Split it.
This message has more recipients than one send allows.